IFGC Chapters
The 2021 International Fuel Gas Code is organized into the chapters below. Use this index to understand the scope of each chapter before diving into practice tests or flashcards.
IFGC Chapter 1 Study Guide
Chapter 1 sets the authority, permitting, inspection, and enforcement framework for fuel gas work under the IFGC.
IFGC Chapter 2 Study Guide
Chapter 2 defines the words that control the rest of the IFGC, especially terms tied to appliances, venting, and gas piping.
IFGC Chapter 3 Study Guide
Chapter 3 covers the baseline installation rules that apply to fuel-gas systems and appliances before you get into piping, venting, or appliance-specific sections.
IFGC Chapter 4 Study Guide
Chapter 4 is the working heart of the IFGC. It covers sizing, materials, installation, support, testing, purging, controls, and specialty fuel-dispensing systems.
IFGC Chapter 5 Study Guide
Chapter 5 governs how gas appliances discharge combustion products and how venting systems are selected, sized, connected, and terminated.
IFGC Chapter 6 Study Guide
Chapter 6 is the appliance-specific chapter for the IFGC. It adds targeted installation rules to the general piping, venting, and location rules already in play.
IFGC Chapter 7 Study Guide
Chapter 7 addresses hydrogen systems with the level of control expected for a high-risk gas: piping, handling, testing, siting, and operation all tighten up.